.fl {
    float: left;
}

.fr {
    float: right;
}

@font-face {
    font-family: 'icomoon';
    src: url('../fonts/icomoon.eot?7kkyc2');
    src: url('../fonts/icomoon.eot?7kkyc2#iefix') format('embedded-opentype'), url('../fonts/icomoon.ttf?7kkyc2') format('truetype'), url('../fonts/icomoon.woff?7kkyc2') format('woff'), url('../fonts/icomoon.svg?7kkyc2#icomoon') format('svg');
    font-weight: normal;
    font-style: normal;
}

.w {
    width: 1300px;
    margin: 0 auto;
}


/* header */

.header {
    display: flex;
    height: 150px;
    justify-content: space-between;
    background-color: #fff;
    background: linear-gradient(-45deg, #EE7752, #E73C7E, #23A6D5, #23D5AB);
    background-size: 400% 400%;
    -webkit-animation: Gradient 15s ease infinite;
    -moz-animation: Gradient 15s ease infinite;
    animation: Gradient 15s ease infinite;
}

@-webkit-keyframes Gradient {
    0% {
        background-position: 0% 50%
    }
    50% {
        background-position: 100% 50%
    }
    100% {
        background-position: 0% 50%
    }
}

@-moz-keyframes Gradient {
    0% {
        background-position: 0% 50%
    }
    50% {
        background-position: 100% 50%
    }
    100% {
        background-position: 0% 50%
    }
}

@keyframes Gradient {
    0% {
        background-position: 0% 50%
    }
    50% {
        background-position: 100% 50%
    }
    100% {
        background-position: 0% 50%
    }
}

.fl div {
    float: left;
}

.fl :nth-child(0) {
    float: left;
}

.fl :nth-child(1) {
    float: left;
}

.fl img {
    margin: -10px 0px 0px 50px;
    width: 150px;
    height: 120px;
    float: left;
    text-align: center;
}

.fl .column {
    margin-left: -50px
}

.fl .column li {
    margin: 18px 21px 18px 21px;
    float: left;
    font-size: 20px;
    text-align: center;
}

.fr {
    width: 800px;
    height: 150px;
}

.fr .search {
    width: 460px;
    height: 35px;
    margin: 18px 21px 18px 21px;
    float: left;
    font-size: 16px;
    text-align: center;
}

.fr .search .text {
    width: 400px;
    height: 36px;
    float: left;
    border: 2px solid #636060;
    color: #ccc;
    text-indent: 10px;
}

.fr .search .btn {
    margin-top: -1px;
    margin-left: -2px;
    float: left;
    background-color: #656363;
    border: 2px solid #656363;
    font-size: 14px;
    color: #fff;
}

.fr .user {
    margin-top: 18px;
    float: left;
    width: 250px;
}

.user ul li {
    margin: 0 21px 18px 0;
    float: left;
    font-size: 20px;
}

.user :nth-child(4) {
    display: block;
    width: 30px;
    height: 30px;
    border: 1px solid #5b5858;
    text-align: center;
    line-height: 30px;
    background-color: #cdcaca;
    border-radius: 50%;
}


/* footer */

.footer {
    margin-bottom: 0px;
    height: 200px;
    background-color: #f5f5f5;
    padding-top: 30px;
}

.mod_help {
    display: flex;
    justify-content: space-between;
}

.mod_help_item {
    margin-top: 25px;
    float: left;
    width: 150px;
    padding: 20px 0 0 50px;
}

.mod_help_item dt {
    height: 25px;
    font-size: 16px;
}

.mod_help_item dd {
    height: 22px;
}


/* jq */